Cita APA (7th ed.)

Denzin, N. K. (1978). The research act: A theoretical introduction to sociological methods (Second edition.). McGraw-Hill Book Company.

Cita Chicago (17th ed.)

Denzin, Norman K. The Research Act: A Theoretical Introduction to Sociological Methods. Second edition. New York, Estados Unidos: McGraw-Hill Book Company, 1978.

Cita MLA (9th ed.)

Denzin, Norman K. The Research Act: A Theoretical Introduction to Sociological Methods. Second edition. McGraw-Hill Book Company, 1978.